Look for a tab in the BIOS Setup Utility that is labeled Boot Order, Boot Options, or Boot. Most PCs use the F2, F10, ESC, or DEL key to begin the BIOS Setup. If your PC does not detect the media automaticallyĭuring the restart process, read the screen for any instructions that explain how to interrupt normal startup and enter the basic input/output system (BIOS) setup utility. Press a key when the message Press any key to boot from CD or DVD appears. Insert the Windows installation disc into the disc drive, and then start the computer.

To run Startup Repair from the Windows Recovery Environment (WinRE), follow these steps: Method 1: Run Startup Repair from Windows Recovery Environment (WinRE) If you do not have an installation disc and Startup Repair is a preinstalled recovery option on your computer, try method 4. If you do not have a disc, please contact your computer manufacturer or Microsoft Support to obtain one. Note To complete these steps, you must have a Windows 8.1, Windows 8, Windows 7 or Windows Vista installation disc. To fix this, use the following methods to troubleshoot this Windows Start error. This error indicates that the boot sector is damaged or missing.

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